docs: def from_chord_shorthand(self, shorthand):
          """Empty the container and add the notes in the shorthand.
  
          See mingus.core.chords.from_shorthand for an up to date list of
          recognized format.
  
          Example:
          >>> NoteContainer().from_chord_shorthand('Am')
          ['A-4', 'C-5', 'E-5']
          """
          self.empty()
          self.add_notes(chords.from_shorthand(shorthand))
          return self